Home / 96,047.28-144,121.68-68,147.64

Finding the Fourth Proportional to 96,047.28, 144,121.68 and 68,147.64

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Solution

The fourth proportional to 96,047.28, 144,121.68 and 68,147.64 is: 102,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,047.28 : 144,121.68 = 68,147.64 : x
  2. Step 2: Convert to fraction form
    96,047.28/144,121.68 = 68,147.64/x
  3. Step 3: Cross multiply
    96,047.28x = 144,121.68 × 68,147.64
  4. Step 4: Simplify right side
    96,047.28x = 9,821,552,364.84
  5. Step 5: Solve for x
    x = 9,821,552,364.84/96,047.28
  6. Step 6: Final answer
    x = 102,257.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.